Spanish puzzle

123456789101112131415
Across
  1. 3. thirty
  2. 4. gymnasium
  3. 6. to walk
  4. 9. Swimming pool
  5. 11. to sing
  6. 15. MATH
Down
  1. 1. Science
  2. 2. Office
  3. 5. a library
  4. 7. the principal
  5. 8. A pencil
  6. 10. School
  7. 12. a bus
  8. 13. a folder
  9. 14. scissors